Duyar Alarm Pressure Switch
Fire Protection Valves · DUYAR product
2.762,76₺ incl. VAT
excl. VAT: 2.302,30₺
Pressure Switch
Alarm Pressure Switch
General Specifications
Working Pressure: 300 psi (21 bar)
Working Temperature: -10 °C / +50 °C (14 °F / 122 °F)
For Indoor Use Only
Medium: Water
Medium Temperature: +4 °C ~ +60 °C (+40 °F ~ +140 °F)
Factory Setting (Actuation Pressure Range): 4 - 12 psi (0.28 - 0.8 bar)
Pressure Adjustment Range: 4 - 12 psi (0.28 - 0.8 bar)
Electrical Ratings: 125/250 VAC ~ 10 A; 6/12/24 VDC … 2.5 A
Connection: 1 ⁄ 2” BSP Male Thread
A strainer must be used in the installation where the pressure switch is mounted, and the water flow must be free of dirt. The product will not work in a water
flow containing dirt and particles.
* The pressure switch must be mounted vertically as shown in the figures.
* Installation must be carried out in the order below by personnel authorized for electrical devices and experienced in using the product.
* Wrap PTFE (Teflon) tape around the product’s 1⁄2” threaded end, then mount it on the 1⁄2” pipework. Do not apply excessive torque
to the product during installation.
* For the electrical connection, remove the red protective cover using the special key supplied in the box.
* After the red protective cover is removed, the NO, NC and COM terminals are visible on the switch.
* These terminals can be used for a visual or audible alarm. A signal can be sent to the fire alarm control panel.
* The pressure setting can be adjusted on the frame. After the product has been set to the desired pressure range, the red protective cover must be
closed again with its screws.
* After installation is complete, check at least 3 times whether a signal is received from the product.
* Check the product every month for leaks and signal output using the test valve on the line. Do not use a product with leakage or
signal problems.
A strainer must be used in the installation to which the pressure switch is connected, and the water must be free of dirt. The product will not work in a
water flow containing dirt and particles.
* The pressure switch must be mounted vertically as shown in the figures.
* Personnel authorized for electrical work and experienced in using the product should carry out the installation in the following order.
* Wrap PTFE (Teflon) tape around the 1⁄2 ” thread, then mount the product on the 1⁄2 ” pipework. Excessive torque should
not be applied to the product during installation.
* For the electrical connection, remove the red protective cover with the special key supplied in the box.
* After the red protective cover is removed, the NO, NC and COM terminals are visible on the switch. Visual or audible alarms can be triggered from
these terminals. A signal can be sent to the fire alarm control panel.
* The pressure setting can be adjusted on the frame. After the product has been set to the desired pressure range, the red
protective cover must be closed with its screws.
* After installation, check at least 3 times whether a signal is received from the product.
* Check the product every month for leakage and signal output using the test valve on the line. A product with leakage or signal
problems must not be used.
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